fix(deps): update astro

Author: renovate[bot]

package.json

@@ -18,10 +18,10 @@
   },
   "dependencies": {
     "@astrojs/check": "^0.9.1",
-    "@astrojs/cloudflare": "^11.0.4",
+    "@astrojs/cloudflare": "^12.0.0",
     "@astrojs/rss": "^4.0.7",
     "@astrojs/tailwind": "^5.1.0",
-    "astro": "^4.13.1",
+    "astro": "^5.0.0",
     "hono": "^4.5.4",
     "mime": "^4.0.4",
     "tailwindcss": "^3.4.7",